## A generalized optical-potential method and its application to the scattering of electrons by atomic hydrogen |

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### Contents

Two Conventional Methods | 5 |

Formal Derivation of the Generalized Optical | 14 |

Numerical Results and Discussion | 26 |

2 other sections not shown

### Common terms and phrases

adiabatic approximation angular momentum antisymmetrized atomic channel atomic electrons atomic scattering atomic wave functions atomic-scattering process Bohr radius bound boundary conditions Burke and Schey centrifugal barrier charged particle close-coupled equations close-coupling approximation close-coupling scheme closed channels continuum contribution correct long-range Coulomb distorted elastic scattering electron-hydrogen scattering energy range evaluate expansion form experimental results explicitly incoming particle integral large distance long-range force long-range polarization force long-range polarization potential multipole expansion nonadiabatic effect obtained optical potential optical-potential method ordering scheme parameter partial-wave Pauli effect Pauli exclusion principle Pauli principle phase shifts projection operator radial equations reaction process resonance effect resonance energy resulting equation scattered particle scattering length scattering process Schrodinger equation Schwartz second quantum level second-order term short-range correlation effect singlet S-wave solve static approximation static exchange approximation Sturmian functions theoretical calculations total cross section total wave trial wave function triplet virtual transitions yield zero